Here is the full list of all 30 Pixel Puzzles: UndeadZ achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
No Where To Run
Zombliterator
Rasta Gonna Get Ya!
Killer Clown
Back To Back
The Bride
Zombinator
Undeadz 4 Lyfe Yo
What's On Tv?
Shekly Shot Eye
Prep For Bravery
Hawk Eye
Zombie Slayer
Tea Party
Underground
Dead Monk
The Beauty Of Birth
Survive 15 Minutes In Menu
kill 500 Menu Zoms
Zombie Hunter
Hell's For The Homeless
Don't Smoke
Chewy Dogz
Some Tongue?
Trip 'Em
Kill 100 Menu Zoms
Kill 50 Menu Zoms
Hard Ass Hooker
You'z Got Bit
Blow 'Em Up